Genetics
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Genetics
The Iceman tells a new tale: Infection with ulcer-causing bacteria
Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.
By Meghan Rosen -
Science & Society
Climate, new physics and Jupiter on the horizon for 2016
The first issue of the new year features stories about what will, editor in chief Eva Emerson predicts, hold on as scientific newsmakers during 2016.
By Eva Emerson -
Animals
Ants’ size and profession controlled by chemical tags on DNA
Epigenetic marks determine whether female Florida carpenter ants are soldiers or foragers.
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Genetics
Roosters run afoul of genetic rules
Moms aren’t always the only ones that pass mitochondrial DNA to offspring, a study of chickens finds.
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Genetics
Year in review: Breakthrough gene editor sparks ethics debate
The gene editing system CRISPR has opened the door to new scientific advancements — and ethical concerns.
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Life
Year in review: Microbe discoveries spur rethink of treetop of life
Microbes discovered in Arctic mud this year could be the closest relatives yet found to the single-celled ancestor that made life so complicated.
By Susan Milius -
Genetics
Year in review: Epigenome makes its debut
The Roadmap Epigenomics Project, unveiled in February 2015, is the first in a series of 3-D looks at the human genome.
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Genetics
Year in review: Cancer genetics grows up
Researchers looking for mutations linked to cancer have found that not all genetic alterations should be targeted equally.
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Genetics
Year in review: Fluke extinction surprises lab
A die-off of bacteria in a carefully controlled lab experiment offered an evolutionary lesson this year: Survival depends not only on fitness but also on luck.
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Animals
Year in review: New dates, place proposed for dogs’ beginnings
This year’s dog research suggested older origins and a new location of domestication for man's best friend.
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Plants
Single gene influences a petunia’s primary pollinator
Mutations on a single gene determine how much ultraviolet light a petunia flower absorbs, and in turn, which animal pollinates the flower.